Wobbly bundles over curves

Người báo cáo: Christian Pauly (Université de Nice Sophia Antipolis)

Time: 9:30 -- 11: 00, May 28, 2025

Venue: Room 612, A6, Institute of Mathematics-VAST

Abstract: A very stable vector bundle over a curve is a vector bundle having no non-zero nilpotent Higgs fields. They were introduced by Drinfeld and studied by Laumon in connection with the nilpotent cone of the Hitchin system. According to Drinfeld non-very stable bundles, also called wobbly bundles, form a divisor in the moduli space of
vector bundles. In this talk I will try to explain the motivations for studying the properties of wobbly divisors, with a special focus on the low rank cases.

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Xuất bản mới
Nguyễn Khoa Sơn, Nguyễn Thị Hồng, Lê Văn Ngọc, Stability conditions for a class of nonlinear timevarying switched systems with delays and sectortype nonlinearities, International Journal of Systems Science, Volume 57(2), (2025), 441-461 (SCI(-E); Scopus) .
Trần Văn Thắng, Lê Xuân Thanh, Đỗ Thị Thùy, A monotonic optimization approach to mixed variational inequality problems, Optimization Letters, Volume 19, pages 1779–1800, (2025) (SCI-E, Scopus) .
Nguyễn Hữu Sáu, Piyapong Niamsup, Vũ Ngọc Phát, Linear Programming Approach to Constrained Stabilization of Positive Differential-Difference Equations With Unbounded Delay, Optimal Control Applications and Methods, 2025; 46:2581--2594 (SCI-E, Scopus) .